// Copyright 2019 Yunion
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package etcd

var (
	defaultClient *SEtcdClient
)

func InitDefaultEtcdClient(opt *SEtcdOptions, onKeepaliveFailure func()) error {
	if defaultClient != nil {
		return nil
	}

	var err error
	defaultClient, err = NewEtcdClient(opt, onKeepaliveFailure)
	return err
}

func CloseDefaultEtcdClient() error {
	if defaultClient != nil {
		return defaultClient.Close()
	} else {
		return nil
	}
}

func Default() *SEtcdClient {
	return defaultClient
}
